diff --git a/[refs] b/[refs]
index ef5ec685e52f..0d89ff28bb86 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3588fe2e3f36543664beafedd3bb6dc3ffa896c5
+refs/heads/master: b7eb4ad39134ee5b09634a710e50c2990f533231
diff --git a/trunk/arch/x86/xen/mmu.c b/trunk/arch/x86/xen/mmu.c
index 3de42d1e475b..909ad637c38d 100644
--- a/trunk/arch/x86/xen/mmu.c
+++ b/trunk/arch/x86/xen/mmu.c
@@ -224,7 +224,7 @@ void xen_setup_mfn_list_list(void)
 
 	HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
 		virt_to_mfn(p2m_top_mfn_list);
-	HYPERVISOR_shared_info->arch.max_pfn = xen_start_info->nr_pages;
+	HYPERVISOR_shared_info->arch.max_pfn = max_p2m_mfn;
 }
 
 /* Set up p2m_top to point to the domain-builder provided p2m pages */